Mercedes-Benz R231
| Mercedes-Benz R231 | |
|---|---|
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|
| Overview | |
| Manufacturer | Daimler AG |
| Production | 2012-present |
| Model years | 2013-present |
| Assembly | Bremen, Germany |
| Designer | Frank Pfisterer; Mark Fetherston (2007) |
| Body and chassis | |
| Class | Sports car, Roadster (S) |
| Body style | 2-door retractable hardtop |
| Layout | FR layout |
| Platform | R231 |
| Powertrain | |
| Engine | 3.0 L 333 PS (245 kW) - 367 PS (270 kW) V6 Biturbo 3.5 L 306 PS (225 kW) V6 4.7 L 435 PS (320 kW) - 455 PS (335 kW)V8 Biturbo 5.5 L 537 PS (395 kW) - 585 PS (430 kW)V8 Biturbo 6.0 L 630 PS (460 kW) V12 Biturbo |
| Transmission | 7-speed or 9-speed automatic |
| Dimensions | |
| Wheelbase | 2,585 mm (101.8 in) |
| Length | 180.4 in (4,582 mm) AMG: 180.8 in (4,592 mm) |
| Width | 1,877 mm (73.9 in) |
| Height | 1,315 mm (51.8 in) |
| Curb weight | 1675 - 1845 kg |
| Chronology | |
| Predecessor | Mercedes-Benz R230 |
R231 is a chassis code for the current generation of the Mercedes-Benz SL-Class roadster, replacing the R230. The car was released in March 2012 and uses Mercedes-Benz's new 4.6 litre V8 engine with a power output of 435 hp (324 kW). AMG version of the roadster will follow. The new SL is 140 kg (around 308 lbs) lighter than the previous, being made almost entirely out of aluminium For the first time since the 1990s R129, the R231 SL-Class is not available with a non-AMG V12 engined SL600 model.
The R231 is designed with an aluminium space-frame, 182 inches in length by 83 inches in width. (2in. wider/longer than previous generation) Engineers at Mercedes have also installed a new folding hardtop roof that will have as an option, a panoramic sunroof with a manipulatable tint The design process began in 2007, with a final design by Frank Pfisterer and Mark Fetherston being chosen, delayed for over 2 years, and then approved for production in early 2010. Design patents were filed on August 5, 2009 using a CAD file and in German patents in April 2010 using a prototype Changes from last generation include all-aluminium body, MAGIC VISION CONTROL windscreen wipe/wash system, FrontBass footwell bass loudspeakers, HANDS-FREE ACCESS boot lid opening system via foot movement around rear bumper.
'Edition 1' is a time-limited version of SL-Class vehicle with a panoramic vario-roof, AMG bodystyling, sports suspension, AMG 19-inch light-alloy wheels, designo nappa leather with contrasting topstitching, AIRSCARF, heated seats, electric draught-stop, ambient lighting, Harman/Kardon Logic7 surround sound system, exclusding designo crystal silver magno body colour option, trim in wave or deep white aluminium.
The vehicle was unveiled in 2012 North American International Auto Show., followed by 2012 Geneva Motor Show.
The vehicle was available from Mercedes-Benz sales partners from 31 March 2012. Early models include SL 350 BlueEFFICIENCY, SL 500.
It includes a 5.5-litre V8 'biturbo' (twin-turbocharged) engine rated 537 PS (395 kW; 530 hp)@5500rpm and 800 N·m (590 lbf·ft)@2000–4500rpm, AMG sports suspension, AMG SPEEDSHIFT MCT 7-speed manual transmission, five-twin-spoke AMG light-alloy wheels in titanium grey with a high-sheen finish with 255/35 R 19 front and 285/30 R 19 rear tyres, front apron with large air dams, AMG-specific LED daytime running lamps and a lower cross strut in silver chrome, AMG radiator grille with a double louvre in silver chrome, optional MAGIC SKY CONTROL Vario-roof, AMG sports seats in single-tone or two-tone nappa leather with a unique V8 seat upholstery layout and AMG badges in the seat backrests, a multicontour function and seat heating; AMG carbon-fibre trim, AMG illuminated door sill panels, ambient lighting and an IWC-design analogue clock.
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